Home / 86,481.18-119,338.86-50,179.82

Finding the Fourth Proportional to 86,481.18, 119,338.86 and 50,179.82

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Solution

The fourth proportional to 86,481.18, 119,338.86 and 50,179.82 is: 69,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.18 : 119,338.86 = 50,179.82 : x
  2. Step 2: Convert to fraction form
    86,481.18/119,338.86 = 50,179.82/x
  3. Step 3: Cross multiply
    86,481.18x = 119,338.86 × 50,179.82
  4. Step 4: Simplify right side
    86,481.18x = 5,988,402,513.81
  5. Step 5: Solve for x
    x = 5,988,402,513.81/86,481.18
  6. Step 6: Final answer
    x = 69,245.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.